PoStProof arb implementation

[tyshko5]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1684 (62cd2b5) into master (fc6547a) will decrease coverage by 27.56%.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #1684       +/-   ##
===========================================
- Coverage   55.04%   27.48%   -27.56%     
===========================================
  Files         146      107       -39     
  Lines       13914     9517     -4397     
===========================================
- Hits         7659     2616     -5043     
- Misses       6255     6901      +646     

Impacted Files	Coverage Δ
shared/src/sector/post.rs	0.00% <ø> (ø)
ipld/amt/src/value_mut.rs	0.00% <0.00%> (-100.00%)	⬇️
shared/src/address/network.rs	0.00% <0.00%> (-95.75%)	⬇️
ipld/amt/src/root.rs	0.00% <0.00%> (-94.60%)	⬇️
ipld/amt/src/lib.rs	0.00% <0.00%> (-94.45%)	⬇️
shared/src/bigint/biguint_ser.rs	0.00% <0.00%> (-92.31%)	⬇️
ipld/encoding/src/vec.rs	0.00% <0.00%> (-89.15%)	⬇️
shared/src/address/protocol.rs	12.50% <0.00%> (-87.50%)	⬇️
ipld/amt/src/node.rs	0.00% <0.00%> (-86.57%)	⬇️
shared/src/piece/mod.rs	0.00% <0.00%> (-85.72%)	⬇️
... and 65 more